condition mean min max 12pM Fe,Midday 28.1861 28.1861 28.1861 12pM Fe,Midnight 21.61815 20.3791 22.8572 58pM Fe,Midday 19.2397 19.2397 19.2397 58pM Fe,Midnight 10.3549 0.0 12.8633 233pM Fe,Midnight 11.417723333333333 9.98427 12.371 1160pM Fe,Midday 15.848542857142858 11.3992 18.3545 1160pM Fe,Midnight 7.3275875 5.16874 9.96264 High carbon,Dark 13.520961333333334 2.81231 21.9908 High carbon,Light 10.140217692307692 1.26427 18.485 Low carbon,Dark 12.6499 12.6499 12.6499 Phloroglucinol 28.3793 26.4751 30.908 Silicon starvation,12h 22.2991 22.2991 22.2991